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Contributions of EU-project REPCO to apple scab control Organic Eprints
Köhl, Jürgen; Heijne, Bart; Hockenhull, John; Lindhard Pedersen, Hanne; Trapmann, Marc; Eiben, Ute; Tamm, Lucius.
The objective of REPCO is to contribute to the replacement of copper fungicides in organic agriculture by new measures for control of downy mildew (Plasmopara viticola) in grapevine and scab (Venturia inaequalis) in apple. Both major European organic crops strongly depend on copper fungicides. Permitted amounts will be reduced stepwise during the following years (Council Regulation (EEC) 2092/91, Annex II) to avoid environmental risks. In European countries where copper fungicides are already out of use, production of organic apples suffers severe economical problems because of insufficient scab control. Potentiators of resistance, organically based fungicides and biocontrol agents are screened and evaluated in apple. Effects of crop management practices...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Fruit and berries.
Ano: 2006 URL: http://orgprints.org/8820/1/ecofruit_12th_13.pdf
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Contributions of EU-project REPCO to apple scab control Organic Eprints
Köhl, Jürgen; Heijne, Bart; Hockenhull, John; Pedersen, Hanne Lindhard; Trapman, Marc; Eiben, Ute; Tamm, Lucius.
The objective of REPCO is to contribute to the replacement of copper fungicides in organic agriculture by new measures for control of downy mildew (Plasmopara viticola) in grapevine and scab (Venturia inaequalis) in apple. Both major European organic crops strongly depend on copper fungicides. Permitted amounts will be reduced stepwise during the following years (Council Regulation (EEC) 2092/91, Annex II) to avoid environmental risks. In European countries where copper fungicides are already out of use, production of organic apples suffers severe economical problems because of insufficient scab control. Potentiators of resistance, organically based fungicides and biocontrol agents are screened and evaluated in apple. Effects of crop management...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Fruit and berries.
Ano: 2006 URL: http://orgprints.org/13796/1/ecofruit_12th_13.pdf
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Slaked lime against european fruit tree canker: efficacy and introduction into practice Organic Eprints
Heijne, Bart; Jong, Peter Frans de; Wenneker, Marcel; Jansonius, Pieter Jans.
European fruit tree canker, caused by Nectria galligena, is a major disease in organic apple cultivation. No copper can be used in Denmark and the Netherlands to control the disease. Removal of cankers is the only remaining method to control the disease. Slaked lime (calcium hydroxide) was applied at 50 or 100 kg/ha three times during the leaf fall period to protect apple trees against the disease. Experiments under high inoculum pressure showed a reduction in newly formed cankers of 57, 35 and 60 % with respect to untreated for 3 years respectively. The chemical standard thiophanate-methyl further reduced the number of newly formed cankers by 99, 60 and 89 % with respect to untreated for these 3 years respectively in these experiments. These results...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection.
Ano: 2005 URL: http://orgprints.org/4355/3/Heijne_etal_4p_revised%2Ded.doc
Registros recuperados: 3
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